// 获取项目根路径
function getRootPath(){
    //获取当前网址，如： http://localhost:8083/proj/meun.jsp
    var curWwwPath = window.document.location.href;
    //获取主机地址之后的目录，如： proj/meun.jsp
    var pathName = window.document.location.pathname;
    var pos = curWwwPath.indexOf(pathName);
    //获取主机地址，如： http://localhost:8083
    var localhostPath = curWwwPath.substring(0, pos);
    //获取带"/"的项目名，如：/proj
    var projectName = pathName.substring(0, pathName.substr(1).indexOf('/')+1);
    return(localhostPath + projectName);
}

// 全选，全不选，反选操作
function checked(all, sub, flag){
    var pstatus = $(all)[0].checked;
    if(flag == undefined){
        flag = true;
    }
    
    $(sub).each(function(){
        if(flag){
            $(this)[0].checked = pstatus;
        } else {
            $(all)[0].checked = false;
            $(this)[0].checked = !$(this)[0].checked;
        }
    });
}